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19332090 = 2325792719
BaseRepresentation
bin100100110111…
…1101111111010
31100101011122100
41021233233322
514422111330
61530204230
7323214531
oct111575772
940334570
1019332090
11aa04538
126583676
13400b40b
1427d3318
151a6d060
hex126fbfa

19332090 has 48 divisors (see below), whose sum is σ = 50918400. Its totient is φ = 5088096.

The previous prime is 19332083. The next prime is 19332109. The reversal of 19332090 is 9023391.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5751 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (1060800).

Almost surely, 219332090 is an apocalyptic number.

19332090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19332090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25459200).

19332090 is an abundant number, since it is smaller than the sum of its proper divisors (31586310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19332090 is a wasteful number, since it uses less digits than its factorization.

19332090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 19332090 is about 4396.8272651993. The cubic root of 19332090 is about 268.3858424646.

The spelling of 19332090 in words is "nineteen million, three hundred thirty-two thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 79 90 158 237 395 474 711 790 1185 1422 2370 2719 3555 5438 7110 8157 13595 16314 24471 27190 40785 48942 81570 122355 214801 244710 429602 644403 1074005 1288806 1933209 2148010 3222015 3866418 6444030 9666045 19332090